Democratic Sentinel, Volume 16, Number 52, Rensselaer, Jasper County, 13 January 1893 — An Emotion Indicator. [ARTICLE+ILLUSTRATION]

An Emotion Indicator.

The behavior of criminals, it is found, may be studied in a way likely to prove useful in medicine by means of the ple- . hysmograph. This is a new instrument for measuring the slightest increase in the flow of blood in the arm. In most instances when a criminal receives sentence the flow of blood diminishes, but the sight of wine restores it. Brain effort increases the flow: In front of a loaded pistol an average man is greatly affected, out the Crimson c 4 a hardened murdere* is little Influenced. The instrument, it short, elicits'involuntary testimony of the physical and'nervous state of the crim inaL--[New York Telegram.

W. J. MIZE.